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2026-03-27 - 16:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Mar 27, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
686216497,64sleep00-21swapper/007:09:260
418215682,9sleep30-21swapper/307:06:203
320892127107,11sleep20-21swapper/207:05:192
6202116107,6sleep10-21swapper/107:08:341
145572960,2sleep30-21swapper/309:10:183
225072640,0sleep30-21swapper/310:45:183
82132580,0sleep20-21swapper/212:00:172
33982580,0sleep20-21swapper/212:25:162
290552560,0sleep00-21swapper/010:20:240
217732560,0sleep00-21swapper/009:45:240
203832540,0sleep10-21swapper/107:50:181
91599281,3cyclictest0-21swapper/210:29:002
91399280,27cyclictest0-21swapper/111:14:191
91399280,27cyclictest0-21swapper/108:06:441
91399280,27cyclictest0-21swapper/107:35:521
91599270,26cyclictest0-21swapper/208:35:052
91399270,26cyclictest0-21swapper/112:36:581
91399270,26cyclictest0-21swapper/109:43:561
91399270,26cyclictest0-21swapper/108:31:381
91399270,26cyclictest0-21swapper/108:23:081
915992618,7cyclictest749-21snmpd11:18:242
915992618,7cyclictest749-21snmpd08:17:582
915992618,6cyclictest749-21snmpd10:05:182
91599260,25cyclictest0-21swapper/211:12:092
91599260,25cyclictest0-21swapper/210:59:422
91599260,25cyclictest0-21swapper/208:11:112
91599260,25cyclictest0-21swapper/207:54:102
913992623,2cyclictest0-21swapper/111:49:091
91399260,25cyclictest0-21swapper/111:23:541
91399260,25cyclictest0-21swapper/108:56:531
91399260,25cyclictest0-21swapper/108:11:351
915992517,7cyclictest749-21snmpd10:45:032
915992517,7cyclictest749-21snmpd09:11:022
91399250,24cyclictest0-21swapper/112:22:421
91399250,24cyclictest0-21swapper/110:00:141
91599242,6cyclictest0-21swapper/207:25:112
915992416,7cyclictest749-21snmpd10:24:302
915992416,7cyclictest749-21snmpd07:38:162
915992416,7cyclictest749-21snmpd07:13:022
91599240,3cyclictest0-21swapper/212:09:312
913992421,2cyclictest0-21swapper/112:30:441
91399240,23cyclictest0-21swapper/111:00:391
91399240,23cyclictest0-21swapper/108:26:071
90899240,18cyclictest10766-21kthreadcore12:30:200
91599233,1cyclictest5308-21/usr/sbin/munin11:30:132
91599233,14cyclictest0-21swapper/209:40:222
915992316,6cyclictest749-21snmpd12:22:492
915992315,7cyclictest749-21snmpd10:18:122
915992315,7cyclictest749-21snmpd10:02:422
91599230,17cyclictest0-21swapper/208:31:322
913992321,2cyclictest0-21swapper/112:13:361
913992320,2cyclictest0-21swapper/111:41:091
91399230,22cyclictest0-21swapper/110:26:331
91399230,22cyclictest0-21swapper/109:49:541
91399230,22cyclictest0-21swapper/107:31:321
91399230,22cyclictest0-21swapper/107:29:581
91599226,12cyclictest21391-21/usr/sbin/munin09:20:182
91599226,12cyclictest21391-21/usr/sbin/munin09:20:182
91599223,13cyclictest0-21swapper/208:40:162
915992216,5cyclictest749-21snmpd11:01:522
915992216,5cyclictest749-21snmpd10:31:152
91599221,5cyclictest0-21swapper/210:10:122
915992215,6cyclictest749-21snmpd10:36:002
915992214,7cyclictest749-21snmpd12:16:002
915992214,7cyclictest749-21snmpd11:20:572
915992214,7cyclictest749-21snmpd07:31:022
915992212,7cyclictest749-21snmpd09:50:212
91599220,3cyclictest0-21swapper/209:25:282
91599220,21cyclictest0-21swapper/209:46:152
91599220,21cyclictest0-21swapper/208:25:022
91599220,13cyclictest0-21swapper/211:25:132
91399220,21cyclictest0-21swapper/112:26:191
91399220,21cyclictest0-21swapper/112:04:391
91399220,21cyclictest0-21swapper/111:57:391
91399220,21cyclictest0-21swapper/111:37:481
91399220,21cyclictest0-21swapper/110:54:181
91399220,21cyclictest0-21swapper/107:45:591
91399220,21cyclictest0-21swapper/107:40:321
91399220,21cyclictest0-21swapper/107:12:291
908992218,2cyclictest749-21snmpd10:41:420
908992218,2cyclictest749-21snmpd10:14:090
908992218,2cyclictest749-21snmpd10:00:330
908992218,2cyclictest749-21snmpd08:30:440
908992218,2cyclictest749-21snmpd08:09:260
908992218,2cyclictest749-21snmpd07:17:400
90899221,3cyclictest0-21swapper/011:53:060
90899220,21cyclictest0-21swapper/009:50:110
91599212,12cyclictest0-21swapper/208:02:562
915992117,3cyclictest0-21swapper/207:48:262
915992115,5cyclictest749-21snmpd09:55:182
915992115,5cyclictest749-21snmpd08:58:462
915992115,5cyclictest749-21snmpd08:21:082
915992113,7cyclictest749-21snmpd08:45:592
91599211,19cyclictest0-21swapper/212:10:572
91599211,16cyclictest0-21swapper/207:20:112
91599210,4cyclictest0-21swapper/211:41:142
91599210,20cyclictest0-21swapper/212:34:072
91599210,20cyclictest0-21swapper/208:05:132
913992118,2cyclictest0-21swapper/108:48:561
913992117,3cyclictest0-21swapper/110:12:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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